20408040575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3693763}}^1$

素因数の和:3693803

約数の個数: 24

約数和(自身を含む): 28855684368

約数和(自身を除く): 8447643793

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 3693763, 18468815, 48018919, 62793971, 92344075, 240094595, 313969855, 816321623, 1200472975, 1569849275, 4081608115, 20408040575]

約数ペア:

[(1, 20408040575), (5, 4081608115), (13, 1569849275), (17, 1200472975), (25, 816321623), (65, 313969855), (85, 240094595), (221, 92344075), (325, 62793971), (425, 48018919), (1105, 18468815), (5525, 3693763)]